IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM

摘要

PROBLEM TO BE SOLVED: To correct positional displacement between an image of a colored material and an image of a foundation color material to be laid under the image of a colored material.SOLUTION: A DFE device 3 includes: a rendering function part 21 and separation function parts 22 and 24 that extract a colored image area using a plurality of colored materials on the basis of image information and a foundation image area using a white material (foundation color material) to be laid under the colored image area; a white-colored conforming area extraction function part 32 that extracts a conforming area where the colored image area and the foundation color area have a predetermined conformity; and an edge enlargement and reduction function part 33 that performs enlargement processing of enlarging outwardly the colored image area and reduction processing of reducing inwardly the foundation color area or at least one of both the enlargement processing and the reduction processing at an edge part between the colored image area and the foundation color area in the conforming area.SELECTED DRAWING: Figure 4